PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B8105Relay,thermal

Meggitt (new Hampshire), Inc · NSN 5945-00-827-4688 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-827-4688 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-827-4688. Primary manufacturer part number: B8105.
Features
  • Relay,thermal — FSC 5945
  • Mounting Facility Type and Quantity: 1 OCTAL BASE PLUG-IN
  • Terminal Type and Quantity: 7 PIN
  • Environmental Protection: HERMETIC
  • Overall Diameter: 0.796 INCHES NOMINAL IN
  • Contact Arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
  • Contact Maximum Voltage Rating in Volts: 32.0 DC
  • Heater Power Rating in Watts: 4.0
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,thermal, cataloged under National Stock Number 5945-00-827-4688, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Meggitt (new Hampshire), Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-827-4688
Primary Part NumberB8105
Item NameRelay,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMeggitt (new Hampshire), Inc
StatusACTIVE
Mounting Facility Type and Quantity1 OCTAL BASE PLUG-IN
Terminal Type and Quantity7 PIN
Environmental ProtectionHERMETIC
Overall Diameter0.796 INCHES NOMINAL IN
Contact ArrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
Contact Maximum Voltage Rating in Volts32.0 DC
Heater Power Rating in Watts4.0
Heater Voltage Rating in Volts28.0
Delay Time in Seconds160.0 ADJUSTABLE OPERATE AND RELEASE NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
7330-00-532-5867180-146G INTERCHANGEABLE
Jug,insulated
B/e Aerospace, Inc. Div Lenexa Business Unit
5945-00-665-7445121163-1 INTERCHANGEABLE
Relay,thermal
Kearfott Corporation Div Guidance and Navigation Division
3120-00-891-8887MS17795-73 INTERCHANGEABLE
Bearing,sleeve
American Society for Testing and Materials Dba Astm International
6685-00-925-2287 INTERCHANGEABLE
Thermometer,indicating,capillary
7510-01-076-3420102070 INTERCHANGEABLE
Typing Element
Federal Marketing Co Div of Virginia Impression Products Inc
Cross-Reference Index
Part NumberManufacturer
B8105 PRIMARY Meggitt (new Hampshire), Inc (USA)
RM160N028 Radiodetection, Llc (USA)
Related Parts
7330-00-532-5867INTERCHANGEABLE
JUG,INSULATED
180-146G
5945-00-665-7445INTERCHANGEABLE
RELAY,THERMAL
121163-1
3120-00-891-8887INTERCHANGEABLE
BEARING,SLEEVE
MS17795-73
6685-00-925-2287INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
7510-01-076-3420INTERCHANGEABLE
TYPING ELEMENT
102070

Frequently Asked Questions

What is NSN 5945-00-827-4688?

NSN 5945-00-827-4688 is a Relay,thermal, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-827-4688?

NSN 5945-00-827-4688 has 2 cross-referenced part numbers: B8105 (Meggitt (new Hampshire), Inc), RM160N028 (Radiodetection, Llc).

What NSN replaces 5945-00-827-4688?

There are 5 known substitutes for 5945-00-827-4688: 7330-00-532-5867, 5945-00-665-7445, 3120-00-891-8887 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B8105?

Key specifications for B8105: Special Features: TERMINALS 1,4,6 AND 7 ARE INTERNALLY CONNECTED; Overall Length: 2.375 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 OCTAL BASE PLUG-IN; Terminal Type and Quantity: 7 PIN. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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